Portable computer



FIG. 1 is a rear perspective view of our new design for a portable computer.

FIG. 2 is a front perspective view of our new design for a portable computer.

FIG. 3 is a top plan view of our new design for portable computer.

FIG. 4 is a side view of our new design for a portable computer.

FIG. 5 is a side view of our new design for a portable computer.

FIG. 6 is a front view of our new design for a portable computer; and,

FIG. 7 is a rear view of our new design for a portable computer. 

The ornamental design for a portable computer, as shown and described. 